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<br />Table 3 <br />Estimated Operation & Maintenance Costs <br /> Total Number of <br />Item Deacrlptlon Frequency Events Annually Unit Prlce Estimated Cost <br />Well Rehabilitation' annually 1 $10,500 $ 10,500 <br />System Adjustment monthly 12 $250 $ 3,000 <br />Power to Run Pumps2 annually 1 $13,105 $ 13,105 <br />Pump Replacement annually 1 $800 $ 800 <br /> Subtotal $ 27,405 <br /> Contingency 20% <br /> Total Estimated Cost S 32,886 <br />Notes: <br />1. Well rehabilitation costs include 4 hours of pumping/swabbing at a a cost of $125/hour for 17 wells and $2,000 for materials. <br />2. Estimated using a rate of $0.04 kWh, 220v source, 10 amps current each for 17 pumps operating 24 hours/day, 365 days/year. <br />